Clamp collar



Jn 30, 1931. H. o. RAsTETTER v1,812,117

CLAMP COLLAR Filed Feb. 24, 192e s sheets-sheet 1 June 30,' 1931. H QRASTETTER 1,812,111

P COLLAR Filed Feb.- 24. 192s 's sheets-sheet 2 June 3o, 1931. HQRASTETTER 1,812,111

CLAMP COLLAR Filed'Feb. 24, 192s' l s sheetsfsheet 3 v i aly/Yaeflelfer "if Il ma @www i ,Patented Jnesoglosi HARRY o. RAsTETTna-on 4CAN'from,-omo;

'I ,oLyafMr connait] AssiGN-or; 4To. A THE` ,UNioN vIv'riirrAL ivriilim :k I lFAC'.Lnnrive coMrANrbF CANTON, originancomfoRAT'IoN'011:101-110.

. n, y App'iiationfiea ,Februaryv 21.1,"1928.' sriainefe'satva i The invention lrela'rzes to'uted poles such as, transmission 'p poles, Alighting standards, y

sign posts, and the li1ke,,and' more vparticularlyfto' a clainpmemberffor attachinghorizon'- i a .1,15 tal Iarms Vtoys/uch poles.' f

clamp -member which may'be in the i Vide a.

i* -for the' connection of one or more horizontal` Iarms 'or supporting transmission Wires,

lighting iixtures, signs `and thelike. The above and ancillary?objectsA mayl be attained by i provid-ingy a separable ring y with means forl clamping` the parts ftogether around 'a 'luted pole,one or more membersjof the separable ringhaving uponitsinner side upon flutedpoles'or columns iofffany descrip@ tron, and is especially adapted forause jupon 'tap'ered`,. luted rpoles having iil'let's between y aplur'ality -of ai'igularfaces,Y each of Which'is arrangeduto engage the zllet lof one flute of the corresponding' portionof'the'lpole. A' y These angular faoes maybe located in an.-

gular planes converging at a'COID'IOD Point,

Vlighting standards, Vtransi'njission poles,jsig1.

1555 plane 'intersectinga ydiiferen't', 7fillet of the l *i Yhe clamp collar isY adapted' for' pole.

i f, With the separable collar'thus-'proV vided with' a plura-ljity'oi'i angular vfacesy for manta-ct vviththe lillets vofy the several flutes '39 of la? poleof givenfsdiarneter, vthe colfl'arvmay' be fitted to poles off'diiiferent diameters, or to taperedpoles at` different pointsv-alongthe length of such poles,'-Within a limited range, y

" it beinglunderstoodthat each i'collar is adapt- 3'5 ed to fit-only lpoleshaving given number'of I flutes.

An embodiment'of Athe invention is illus-v' trated in they accompanying"drawings, inKA which Figure lis an elevation of alighting standard, showingA the'use of the improved clamp f collar for attaching ythe lightingixtures A Fig. 2,121. similar View `of. a' transmission 45 pole, showing the cross arms, and also a street sign,lattaohed thereto by the improved clamp collars; p Y l` i i Fig, an elevation. of a sign post A1n 'which a sign is suspended from an arm attached to 50 the post by one of the clamp collars ,j i

The., ob'ect fthe improvementv is toproi 1 Each cofllar sect'on* 's provided pole, showing the clamp collar,to Whichfth'e invention pertains,1engirdling the pole; "1

D member-of the separablel collar;` Y

Fig. 6,' View to,Fig..4shovvingl the collar engirdling a 'poleof smaller diamv` ff ii' l l f. y vF 7,-- a'pla-nvievvjof one ineinberlof fthe separable collar, showingy Ydiagramn'1V'ina'ticll'ly j the y converging, angular planes Which'fth'e several fa ces `are located and the adaptability fofthejcollar topo-les of various diameters;v Fig. 8, avsection on the line 8-48, Fig??` f 0'. J5, anA elevation of the interioro-xone SimilarY numerals refer ,to similar "parts throughout Ithe drawings.

The improved lamp' 1sv designed 'for 'use flutes such as indicated at l the drawings. Such tapered, luted poles `may be Yusedas horizontal armsztofthelpoles, as shown 4gen-f. jV

at 4in Fig'. .1; transmission Wire insulators 5 orstreet.signsfpa's shovvn-iniFig. "2;"a'df vertising signs ,7, as shown in Fig. 3; oroth'er y devices which may `be*attached to,-.orf,sup

ported'from', aZ-pole of this'charactier...

" The clampfmaybelin theI form of ajcolliarlf' comprisingtwosimil'ar substantiallysemicirf cular useparal)le clamp membersor"sections.y indicatedgenerally at 8.- *Each of ,these Aclamp sectionsrnay beprovided at itsends with foutf Y V turnediflanges 9for the reception )of boltsor s l the i like, as atV 10, to draw the Sections tO- s gether toengirdlejfa iiuted pole.

to coliform :to the'vtaper'of the flute'd pole.

`aclijof theseflan'ges isi-provided y plurality of four0r'moreplanejfaces12,1501*V Y .upon its A VVVinnerside'With theflangesllf,thefupper lflange f `being'slightly vvider'than the lovver-in order ver.

rv: at

contact at all positions of adjustment with the fillets on the adjacent side of the pole.

As best shown in Fig. 7, these plane faces are located in a plurality of planes in angular relation with each other indicated by the broken lines 13 converging to intersect each other at a line. common to all of the planes, the common line being located in one of the faces as indicated at 14, which may be centrally located with reference to the collar section and at the intersection of two of the faces.

In Fig. 7, the outlines of two fluted poles of different diameters are indicated at 15 and 16, the larger diameter being shown at 15.

With the clamp collar constructed to fit one of these diameters of pole, it will be seen that considerable variation in the size of pole is permitted.

In Figs. 4; and 6, the collar is shown clamped to the large diameter of fiuted pole 15 and the smaller diameter of pole 16 to either of which it is equally adapted.

As shown in these figures, the fillets 17 of the flnted pole engage the plane faces 12 of the collar with the exception of the fillets adjacent to the flanges 9.

By drawing the collar sections together around the pore, as by means cf the bolts 10, it will be seen that the collar is tightly clamped upon the pole, contacting only with the fillets thereof.

The clamp collar so constructed may be adjusted longitudinally upon the pole and quickly clamped in the desired position, the

i various positions shown in Figsfl to 8 inclusive being easily attained with a single size of collar.

Bosses 18 may be provided upon the collar sections for the attachment of the horizontal arms 2 by means of which t-he various devices shown in Figs. 1 to 3 may be supported upon the poles.

It will be noted, by referring to Figs. A, 6 and 7 of the drawings, that the faces 12 extending from the line of intersection 14 of the planes 13 in which all of the faces are located, are angular with relation to each other; it will be .further noted that the remaining faces 12 excepting only those two which extend from the common line 14, are not only in angular relation with each other but also are offset from each other.

Referring to Fig. 6 of the drawings, it will be seen that the lower clamp collar 8 and the nuts and bolts 10 form means partially' en-Y girdling the pole for clamping the upper clamp member 8 against the pole; and it is also seen that the lower clamp member 8 contacts with the side of the pole opposite from the upper clamp member 8 for clamping the upper clamp member against the pole.

I claim:

1. In combination, a tapered, fluted pole having fillets between flutes, and an adjustable clamp collar for the pole, the collar including separable sections arranged to engirdle the pole, each section having plane faces in angular relation with each other, the faces contacting with the fillets only of the pole in all positions of adjustment, and adjustable means connecting the sections together to clamp the sections against the pole at different points along the length of the pole.

2. In combination, a tapered, fluted pole having fillets between flutes, and an adjustable clamp collar for the pole, the collar including separable sections arranged to engirdle the pole, spaced internal flanges upon each section, each flange having plane faces in angular relation with each other, each face contacting with one fillet only of the pole in all positions of adjustment, and adjustable means connecting the sections together to clamp the sections against the pole at different points along the length of the pole.

3. A clamp collar for a fluted pole including separable sections arranged to engirdle the pole, each section having four or more faces for contacting with the pole, and all of said faces being located in planes converging to intersect each other at a line common to all of the planes.

A. A clamp member for a fiuted pole, having four or more faces for contacting with the pole, and all of said faces being located in planes converging to intersect each other at a line common to all of the planes.

5. A clamp member for a fluted pole, having spaced flanges, each flange having four or more faces for contacting with the pole, and all of said faces being located in planes converging to intersect each other at a line common to all of the planes.

6. A clamp member for a fluted pole, said member having a plurality of faces, two adjacent faces being located in planes intersecting each other at a line, and the other of said faces being offset with respect to said adj aeent faces and with respect to each other and located in planes intersecting each other at said line.

In testimony that I claim the above, I have hereunto subscribed my name.

HARRY O. RASTETTER. 

